Figueroa, E. G. Physico-chemical analysis of spring and river waters from Brgy. Tag-osip, Buruanga, Aklan.
Chicago-viite (17. p.)Figueroa, Eugene G. Physico-chemical Analysis of Spring and River Waters from Brgy. Tag-osip, Buruanga, Aklan. 2006.
MLA-viite (9. p.)Figueroa, Eugene G. Physico-chemical Analysis of Spring and River Waters from Brgy. Tag-osip, Buruanga, Aklan.
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